Radio logging and indicating device



NOV. 5, 1929. D, SCHWARTZ i 1,734,694

RADIO LOGGING AND INDICATING DEVICE Filed Aug. 17, 1929V `2 sheets-sneer 1 atented cv. 5, 192

DANIEL SCHWARTZ, F CHICAGO, ILLINOIS RADIO LOGGING AND INDXCATING: DEVKCE Application led August 17, 1929. Serial No. 3645,.

AThe main objects of this invention are to provide an improved logging and indicating device for radio receiving sets, to rovide 1mproved markers in a device of this kind for appropriately indicating settings for receiving from various broadcasting stations respectively, to provide an improved front cover for a logging device, to provide means on such cover for projecting indirect light upon'the indicia of the device, to provide an instrument of this kind which may be conveniently installed in a radio cabinet of standard construction and which is accessible trom the exterior of the cabinet for permitting adjustment of the markers, and to provide improved actuation mechanism for moving an indicator and lamp in correspondence with the movements o the tuning apparatus of a radio.

An illustrative embodiment of this invention is shown in the accompanying drawings, wherein:

Figure 1 is a. fragmentary elevation of a radio panel 4howing parts cut away and disclosing underlying structure. I

Fig. 2 is a vertical section taken on the line 2-2 of Fig. 1.

Fig. 3 is a perspective detail of a station marker. o

Fig. t is a fragmentary vertical section taken on the line 4-4 of Fig. 2 with the cover in an opened osition.

Fig. 5 is a orizontal section 'taken on the line 5-5 of Fig. 2.

In the form shown, the improved indicating and logging device includes a casing l which is mounted in an opening of a radio cabinet panel, and which comprises an interior wall or panel having a translucent wave length chart and a plurality of markers mounted thereon. A movable indicating member is slidably mounted in the casing and operatively connected with the tuning apparatus of the radio.

' Hinged on the front of the casing is a cover which has a tubular housing on its top edge, wherein light bulbs are held for projecting light into the interior ofthe casing and upon 5o the interior panel The movable indicator carries a bulb for illuminating the translucent chart.

ln the construction shown, the radio cabinet panel 1 is provided with an opening 2, in which the casing 3 is mounted. rhis cas- 55 ing is rigidly secured to the instrument housing 3.1 of the radio by an le brackets 4.

The casing 3 prefera comprises sheet `metal and includes an inchned front panel 5 having a slot therein in which ismounted a a( translucent wave length chart 6. Formed in the panel 5 is a rib 7 and between the rib 7 and the chart 6 is provided a longitudinally extending slot 8.

Pivotally mounted on the lower front edge of the casing 3 is a cover 9 which includes a tubular housing 10, having a lip 11. The, tubular housing 10 is provided with a pair of electric light bulbs 12 for projecting llghtinto the interior ot the casing and upon the outer side ot panel 5. IThe cover 9 has a pair of spaced sight openings 13 and 14 throu h which the top portion oiE the panel 5 and t e wave length chart 6 may be observed.

A. bar or track l5 extends longitudinally 75 'through the case 3, and is secured at its ends to the end walls of the casing. Slidably mounted on the track 15 is a carriage 16 comprising a metal band having registering openings in its opposite sides respectively 8@ for receiving the bar 15. Extending forwardly from the carriage is an arm 17 which projects through the slot 8 in the panel 5.- The arm 17 carries an indicator having a pair of pointed extremities 17 and 18, one ro- S5 'ecting downwardly over the station cart 6' and the other extending upwardly in the direction of the upper portion of the interior Vpanel 5.

nected in series with ,one terminal of a battery 25 and the other terminal 26 of the battery is grounded, preferably on a metal wall of the casing.

The drum 22 is provided with a coil spring,

'27, for rewinding the cable 21 on the drum after it has been uncoiled by movement of the carriage 16 to the right as vie'wed in Fig. 5. -This spring-is mounted on the post 23 and is secured at one end to the lside of the drum 22 and at its 'other end to the post. The position of the carriage 16 and its indicator, is predetermined by the setting of the tuning apparatus, illustrated in Fig. 2 of the drawings as a condenser 28.

Rigidly secured to the shaft 29 of the condenser is a drum 30 to which one end of a cord 31 is attached. The cord4 31 extends upwardly and around a pulley 32 located at the rear right hand corner of the casing 3. The other-'end of the cord 31 is attached to the carriage 16 so that when the condenser is turned in a clockwise direction, the carriage is Inovedto the right. When the condenser is turned in an anti-clockwise direction the spring urged drum 22 moves the carriage to the left .by the conductor 21 which is attached to the carriage by an insulator 33.

A plurality of station markers each comprising a resilient clip 34; are slidably mounted on the upper portion of the interior panel 5. These clips are substantially U-shaped in form, and comprise a rear side having a concaved bearing member 3.5 at its extremity, which embraces the rib 7 of the panel 5 and resiliently holds the markers against displacement.

The edge portions of the front side of each marker are provided with flanges 36, which form a socket for removably holding appropriately marked cards. These markers may be shifted longitudinally along the upper portion of the panel 5 into registration with the upper pointed end 18 of the indicator and allowed to remain in such an adjusted position. When the markers are not in use, they may be positioned near the ends of the panel 5, where they are concealed by the cover 9.

In operation, when the knob 37 of the condenser 28 is turned in a clockwise direction the cord 31` is wound upon the drum 30 and the carriage is moved to the right as viewed in Fig. 5. After theituning apparatus has been adjusted to receive from a certain station, the lower ,pointed end 19 of the indic ator designates the wave length of the impulses being broadcast by that station. The station may be logged by appropriately marking a card 37 and inserting it between the flanges 36 of the marker. This marker' is then shifted until its pointed extremity registers with the upper pointed end 18 of the indicator.v VThe marker may be left in and definitely discloses the markings thereony and the lower pointedend 19 of the indicator. Part of the light from the bulbs 12 which aie carried by the cover 9 is projected behind the panel 5, and part of it is projected between the panel and the cover, thereby illuminating the upper portion of the panel 5 and the faces of the lettered cards 34.-.

The cover 9 may be rotated to the dotted line open position shown in Fig. 2 to permit adjustment of the markers and avccess to those markers which are stored at the end portions of the panel 5 beyond the ends ofthe sight opening 13. en the cover is in open position, the lip 11 directsthe light from the bulbs 12 upon the front face of the panel.

Although but one specilic embodiment of this invention is herein shown and described, it will be understood that various details of the construction shown may be altered or omitted without departing from the spirit of this invention as delined by the following claims:

1. A device of the class described comprising acasing, indicating apparatus in said casing, a cover hinged on said casing having sight openings therein, a reflector on said cover, and illuminating means mounted on said cover within said reflector for projecting indirect light on said indicating appaj -formed on the upper edgeof said cover, i1-

luminating means mounted within said housing for projecting light on the inner side of said indicating apparatus f when said cover is closed, and a lip on the outer edge. of'said bead for directing light upon the outer side of said indicating apparatus when said cover 1s open. j 4. A device of the class described comprisavancee ing a casing, a cover hinged at its lower edge in said casing and having sight openings therein, the upper edge portions of said cover being bulged outwardly, indicating means in said casing in registration with said sight openings, and illuminating means in the outwardly bulged portions of said cover for illuminating the interior of said casing and the indicating means therein. j

5. A device 0i the class described comprising a casing, a station indicating chart in said casing, a carriage mounted in said casin comprising an indicator, said indicator being shiftable along said station chart, and a light bulb mounted on said carriage for illuminating said chart.

6. A device oi the class described comprising a casing, a station indicating chart in said casing, a carriage mounted in said casing comprising an indicator, said indicator being shiitable along said station chart', an electric bulb mounted on said carriage for illuminating said indicator in its various positions, a cover hinged on said casing leaving Isight openings therein in registration with said station chart, a' housing on saidcover, and electric light bulbs in said liousing for illuminating the interior of said casing and said indicator.

7. in aradio receiving set comprising tuning apparatus and a cabinet having an opening in one Wall, a casin mounted in said openin a stationary in icating member in said ca inet, a sbiitable indicating member in said cabinet, means connecting said shiftable member with said tuning apparatus for moving said sbiftable mem er relative to said stationary member to indicate the setting of said tuning apparatus, and illuminata-- ing means mounted on said sliiitable indi eating member for projecting light upon said stationary and shiitable members at all po" sitions of said shittable member.

8. ln a radio receivingset comprising tun ing apparatus and a cabinet having an openm ing in one wall, logging and indicating means mounted in said opening, comprising a casn ing, a panel in said casing comprising a grad uated vvav length cnart and a rack, station markers shiftably mounted on said raclr', a track extending` longitudinally of said casing, a4 carriage mounted en saidtrack com prising an indicator for designating the sta= tion from which said set is receiving and the" Wave length of the impulses being received illuminating means on saidcarriage for proecting light on said indicator chart and .markers, and means connected with saidcar riage and tuning apparatus for shitting said indicator as tbe setting of said tuning appas ratus is varied,

9. ln a radio receiving set comprising tuning apparatus and a cabinet having anopen ing in one Wall, logging and indicating means mounted in said opening comprising a caa ing, a panel in said casing comprising a rack and having a rib termed in its intermediate portions, station markers sbiftably mounted on said raclr comprising resilient clips, idanges on one side of said clips Yfor remov ably holding appropriately marked cards, a bearing member on the yother sideoi said clips for receiving said rib and yieldably retaining said clip on said rack, an indicator sbiftably mounted in said casing, and actuating mechanisrn for said indicator opera tively connected with said tuning apparatus for shitting said indicator from one station marker to another when said tuning apparatus is adjusted for receiving fromthe respective broadcasting stations.

10. A device of the class described com prising a casing, a panel in said casing having a longitudinal slot and comprising a rack, a longitudinal rib on said panel, station maric-` ers shiitably mounted on said raclr compris ing resilient clips, ilanges on one side of said clips 'lor holding cards, a bearing member on the other side el' lsaid clips for receiving said rib to yieldably retain said markersin an adjusted position, a sbiftablendicator extending tbrougln said slot andlocated in close proximity to said raclr, and a cover on said casing having a siglitopening therein for disclosing said markers andl said indicator.

il. ln a radio receiving set comprising a cabinet and tuning apparatus, logging and indicating means mounted in said cabinet com rising a casing, a plurality ot station mar ers adjustably mounted in said casing, an indicator comprising a carriage, actuating means for said indicator comprising a drum on said tuning apparatus, a cord secured at one end to said drum and at tne other end to said carriage tor shitting said indin cat/or in one direction, a drum mounted on saidcasing comprising a driving spring, and

a cord secured at one end to said spring driven drum and at tbe other end to saidcarriage tor shitting said indicator in the op posite directidina l2. in a radio receiving set comprising a cabinet and tuning apparatus, logging and indicating means mounted in said cabinet comprising ai casing, K an indicator comu prising a carriage, actuating means for said indicator comprising a drum on said tuning apparatus, a cord secured at one end to said drum and at tbe other end to said carringe for shifting' said indicator in one direction, a drum mounted on said casing comprising a driving spring, and a cord secured at one end to said spring driven drum and at tbe other end to said carriage for shifting said indicator in tbe opposite direction 13, ln a radio receiving set comprising, a cabinet and tuning apparatus, logging vanfd indicating means mounted in said cabinet comprising a casing, a carriage comprising an indicator slidably mounted in said casing, an electric bulb on said carriage, means for sliding said carriage and indicator in one ydirection when said tuning apparatus is rotated comprising a drum on said tuning apparatus and a cord secured thereto and to said carriage, a drum comprising a driving member rotatably mounted on said casing and insulated therefrom, ,and an'electrical conductor secured at one end to'said carriage' and at the other end to said last mentioned drum for moving said carriage and indicator in an opposite direction, said conductor being electrically connected with one terminal of said bulb.

14. A logging and -indicating device for radio receiving setscomprising a casing, an inclined ,front panel on said casing comprising a rack having a pair of spaced slots therein, a translucent wave length chart in one of said slots, an indicator extending through the other slot, station markers shiftably mounted on said panel, a cover hinged on said panel having sight openings therein for disclosing said markers and said chart respectively, a housing on said cover, and

' illuminating means in said housing for projecting light into the interior of said casing and upon that portion of said panel upon which said markers are mounted.

15. A logging and indicating device for radio receiving sets comprising a casing, an inclined front panel on said casing having a slot therein, a transparent chart mounted in said slot, an indicator slidably supported in said casing, and a light bulb in said casing mounted to move in unison with said indicator for projecting 1i ht on the inner side of said i v translucent mem er in close proximity to said indicator. c

16. 'A device of the class described comprising a casing, a station indicating chart in said casing, a carriage mounted in saidl casing com rising an indicator, said indicator being shiftable alon'g said station chart, and a light bulb mounted on said carriage for illuminating the inner side of said chart, a cover on said casing, andlight bulbs on said'cover for projecting light upon said indicator.

Signed at Chicago this 15th day of August, 1929.

DANIEL SCHWARTZ. 

